package com.woniuxy01;

import java.util.Scanner;

/**
 * @author 作者
 * @create 2025-05-23 9:31
 */
public class Test03 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("输入学生成绩");
        int score = sc.nextInt();
        //有效分数0-100
//        if(score<0 || score>100){
//            System.out.println("分数无效，重新录入");
//        }else if(score>=90){
//            System.out.println("优秀");
//        }else if(score>=70){
//            System.out.println("中等");
//        }else if(score>=80){
//            System.out.println("良好");
//        }else if(score>=60){
//            System.out.println("及格");
//        }else{
//            System.out.println("不及格");
//        }
        if (score < 0 || score > 100) {
            System.out.println("分数无效，重新录入");
        } else {
            if (score >= 90) {
                System.out.println("优秀");
            } else if (score >= 80) {
                System.out.println("良好");
            } else if (score >= 70) {
                System.out.println("中等");
            } else if (score >= 60) {
                System.out.println("及格");
            } else {
                System.out.println("不及格");
            }
        }

        System.out.println("程序结束");

    }
}
